b) It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find the probability that i. Exactly 4 trains will pass in 30 minutes ii. less than 2 trains will pass in an hour

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Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

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Q: Suppose a jar contains 8 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Probability that first is red is 8/39.

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Q: Suppose a jar contains 19 red marbles and 25 blue marbles. If you reach in the jar and pull out 2…

A: The Probability that both are red = 0.181

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Q: 2. If seven coins are tossed simultaneously, find the probability that they will just have three…

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Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

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A: Given: The probability ratio when drawing two yellow balls with return from a box containing yellow…

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Q: A pair of dice is rolled eight times. What is the probability of rolling 2's exactly 3 times?

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A: Correct answer is (b) 0.0272

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

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Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

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Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

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Q: Find the probability that in a family of 5 children, there will be at most 2 girls. Assume that the…

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Q: Assume that male and female births are equally likely and that the birth of any child does not…

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